# a = 13
# b = 7
# print(a > b)
# print(a >= b)
# print(a == b)
# print(a != b)
# a += 9
# print(a)
# b /= 3
# print(b)
# score1 = 60
# score2 = 59
# score3 = 62
# print(score1 >= 60 and score2 >= 60)
# print(score1 >= 60 or score2 >= 60)
# print(not score1 > 60)
# print(not score1 >= 60)
#
# num = input("请输入一个三位数：")
# num = int(num)
# print(f"百位数:{num // 100},十位数:{num // 10 % 10},个位数:{num % 10}")
# num1 = input("请输入一个三位数：")
# print(f"百位数:{num1[0]},十位数:{num1[1]},个位数:{num1[2]}")
# num2 = input("请输入一个三位数：")
#
# n = tuple(num2)
# print(f"百位数:{n[0]},十位数:{n[1]},个位数:{n[2]}")
#
# ls = list(num2)
# print(f"百位数:{ls[0]},十位数:{ls[1]},个位数:{ls[2]}")
#
# ym = set(num2)
# print{set[0]}
# print(f"aysfd={num//100},{num//10%10},{num%10}")
# tuple list set
a='wqtiuwqiwqi'
b =set(a)
print(b)


